CN1317989C - Hair removing device - Google Patents

Abstract

A hair removing device capable of selectively attaching an epilator head for hair epilation and a shaving head for hair cutting. The device includes the housing incorporating the rotary motor, and the epilator or shaving head detachable to the housing. The head includes a drive mechanism powered by the motor for hair epilation or cutting. The motor has an output rotor fixedly carrying a noncircular joint. The drive mechanism includes a coupler which is detachably connected to the joint to receive the rotary motion of the motor. The coupler is arranged coaxially with the joint and is movable along the axis of the joint together with the head into and out of engagement with and from the joint, and the coupler is slidable along the axis of the joint while keeping the driving connection therebetween.

Description

hair removal device

technical field

The present invention relates to a hair removal device for removing hair from a user's skin, and more particularly to a hair removal device with a detachable hair removal head.

Background technique

US Patent No. 4,960,422 discloses a hair removal device having a detachable hair removal head that can be detached from a hand-held housing for cleaning, or replaced with a similar razor head. A rotating motor is combined in the above-mentioned housing to provide driving force for hair loss or hair shaving. Due to the detachable nature of the device, said housing also includes a gear driven by a motor, which can removably engage with an associated gear provided in said hair removal or shaving head. That is, when the hair removal head is connected to the housing, the hair removal head is drivably connected to the motor by the engagement between the gears. But with this gear connection, the device is subject to strict dimensional tolerances on the distance between the gears, that is, the distance between the gear shafts that continuously transmit the driving force from the motor to the movable element inside the hair removal head, which in turn requires A relatively strict detachable connection between the detachable head and the detachable head. In addition, when the above-mentioned head is operated under heavy load, the above-mentioned gear connection may directly transmit the vibration generated during the heavy-load operation of the above-mentioned head to the above-mentioned casing, thereby generating severe vibration, causing the user who grasps the above-mentioned casing It is difficult to perform comfortable operation.

Contents of the invention

In order to overcome the above-mentioned problems, the present invention provides an improved hair removal device, which can provide a flexible connection between the shell and the detachable hair loss head, and does not need to be strict between the motor in the shell and the driving mechanism in the hair loss head. Driver connection. The hair removal device according to the present invention includes a housing incorporating a rotating motor, and a depilatory head detachable relative to the housing. The above-mentioned hair-removing head has a hair-removing element for removing hair of a user, and includes a driving mechanism actuated by a motor to drive the above-mentioned hair-removing element. The motor has an output shaft fixed with a non-circular joint. The drive mechanism includes a coupling detachably connected to the joint to receive rotational movement of the motor. The above-mentioned coupling member and the above-mentioned joint are arranged coaxially, and can move together with the above-mentioned hair loss head along the axis of the joint, engage with and disengage from the above-mentioned joint, and the coupling member is along the axis of the above-mentioned joint while maintaining the driving connection therebetween. Slidable. Thus, the drive connection between the head and the motor can be established or broken simply by moving the coupling towards or away from the joint, given sufficient tolerance in the axial direction of the joint to maintain the drive connection. Thus, even if there is some gap in the mounting structure between the housing and the hair removal head, it is easy to establish the above-mentioned driving connection to continuously drive the above-mentioned hair removal element. In addition, this simple sliding drive connection is free from rough meshes found in common gear connections, thus avoiding transmission of vibrations from the hair removal head to the housing, ensuring comfortable operation in addition to reducing noise.

Preferably, the above-mentioned coupling member is in the form of a sleeve, and an insertion hole for matching with the above-mentioned joint is defined therein. Above-mentioned coupling piece is recessed from above-mentioned hair loss head bottom, thereby makes the hair loss head detachable from the shell can stand upright on the supporting surface, and above-mentioned coupling piece is hidden in the bottom of hair loss head.

The above-mentioned hair-removing head preferably has a cylindrical body with a central axis, and a plurality of hair-removing elements are arranged along the above-mentioned central axis. The drive mechanism includes a first link leading from the coupling for switching the movement of the hair removal elements toward and away from each other along the central axis to grip hair between adjacent hair removal elements while rotating about the central axis above the barrel to pull out hair caught between the elements. The drive mechanism also includes a second link leading from the coupling to vibrate the cylinder along the central axis to optimize hair removal efficiency. The above-mentioned cylinder is arranged such that its central axis is substantially coplanar with the axis of the joint, so that the cylinder together with the above-mentioned coupling and the above-mentioned driving link is assembled into the hair loss head with reduced thickness.

The coupling part of the above-mentioned hair loss head and the coaxial pinion (pinion) can be integrally formed, and this pinion cooperates with the gear forming the common part of the above-mentioned first and second links, in order to pack the part of the above-mentioned link into the hair loss head limited space.

In addition, in addition to the cylinder body, the hair loss head includes a base cover detachably connected to the housing and a base frame on which a plurality of gears forming the first and second links are mounted. The base frame is supported by spring means to the base cover so as to be movable relative to the base cover against the bias of the spring means. The vibrations generated during the operation of the hair removal head can thus be effectively absorbed by the spring means, so that the housing is relatively immune to vibrations, ensuring a comfortable handling of the device.

The pedestal moves together with the cylinder along the axis of the joint, that is, it is floatingly supported on the base cover, so that the cylinder can be pressed down to touch the user's skin, so as to achieve easy and optimal hair loss effect . The above-mentioned base frame can also move along the direction of the central axis to continuously absorb the vibration generated in the direction of the axis of the cylinder due to the vibration of the cylinder.

The above-mentioned device includes a razor head selectively detachable from the housing for replacing the above-mentioned hair loss head. The razor head carries a razor and includes a razor drive mechanism powered by a motor to move the razor to cut hair. The razor drive mechanism includes a razor coupling that is substantially identical to the hair removal head coupling for detachable drive connection to a connector on the side of the housing. Therefore, before utilizing the hair-removing head to remove hair, the above-mentioned razor head can be selected to replace the above-mentioned hair-removing head to cut off relatively long hairs.

In this regard, the said coupling member of the razor head may be integrally formed with an eccentric cam cooperating with a reciprocator carrying said razor which converts the rotary motion of the motor into the reciprocating motion of the razor.

In addition, the above-mentioned razor drive mechanism is designed to directly convert the rotational motion of the motor into the reciprocating motion of the razor, i.e. without being affected by any reduction gears, thereby enabling the above-mentioned razor to reciprocate at a higher frequency than hair loss The speed at which the cylinder of the head rotates around the central axis.

These and other objects and advantageous features of the present invention will become more apparent from the detailed description of the preferred embodiments in conjunction with the accompanying drawings.

Description of drawings

These and other objects and advantages of the present invention will be more apparent from the following detailed description of preferred embodiments by referring to the accompanying drawings.

Fig. 1 is a front view of a device for removing hair according to a preferred embodiment of the present invention;

Fig. 2 is the main sectional view of above-mentioned device;

Fig. 3 is the side sectional view of above-mentioned device;

Fig. 4 is the exploded perspective view of above-mentioned device housing;

Fig. 5 is the exploded perspective view of the top of above-mentioned device hair loss head;

Fig. 6 is the exploded perspective view of above-mentioned hair loss head bottom;

Fig. 7 is the sectional view that is arranged on cylinder body in above-mentioned hair loss head;

Figure 8 is an exploded perspective view of the cylinder;

Figure 9 is an exploded perspective view of the hair clip row unit on the cylinder;

Figure 10 is a main sectional view of the above-mentioned device with a razor head;

Figure 11 is a side sectional view of the above device with a razor head;

Figure 12 is an exploded perspective view of the upper portion of the razor head;

Figure 13 is an exploded perspective view of the lower portion of the razor head.

Detailed ways

Referring now to Figures 1 and 10, a handheld hair removal device according to a preferred embodiment of the present invention is shown. The device has a housing 10 designed to be held by the user's hand, on which a depilatory head 30 and a razor head 300 are detachably mounted, thereby selectively depilating or plucking hair from the user's skin and cutting off the hair prior to depilation. . The casing 10 accommodates a rotary motor 20 with an output shaft 21, and the shaft 21 extends vertically in alignment with the vertical axis of the casing, so as to be detachably driven with the hair removal head 30 and the razor head 300 optionally installed on the top of the casing 10 connect. The hair removal head 30 and the razor head 300 described above are similar in shape, both having an elongated width extending perpendicularly to the vertical axis of the housing 10 . Above-mentioned hair-removing head 30 has the rotary cylinder 40 that can be driven and rotated around its axis, that is, the horizontal axis of the above-mentioned hair-removing head for plucking as shown in Figure 1, as shown in Figure 10, the razor head 300 is equipped with external shearing Foil 310 and inner shaver 320, which reciprocates along the horizontal axis of the razor head and shears in cooperation with said shearing foil 310 to cut hair.

The above-mentioned output rotating shaft 21 cooperates with the non-circular joint 22 having a polygonal cross section, so as to be drive-connected with the relevant coupling pieces 130 , 430 provided on the side of the above-mentioned hair removal head 30 or razor head 300 . The above-mentioned couplings 130, 430 are sleeves with sockets for receiving the joints 22, so that the couplings 130, 430 can move along the joint 22 or the shaft 21 while maintaining a driving connection with the joints. Axis slide. The above-mentioned motor 20 can be powered by an AC power source or a built-in battery, and is controlled to be turned off by the switch button 12 on the housing 10 . As shown in Figure 4, the casing 10 is assembled by a pair of half shells 11, surrounds the fixed frame 110 that above-mentioned motor 20 is fixed on its lower end, and this frame also has a pair on its upper end surface for connecting with The above-mentioned hair loss head 30 or razor head 300 is detachably connected to the slider 120 . Each slider 120 can move horizontally on the upper surface of the frame 110 and is pushed outward by the spring 111 until the stopper 122 matches the outer end of the corresponding groove 112 in the middle of the frame 110 . The slider 120 has an opening 124, in which the anchoring member 32 or 332 protruding from the bottom surface of the hair removal head 30 or the razor head 300 is accommodated in such a way that the anchoring member 32 or 332 is hooked by one side 125 of the opening. The slider 120 also includes a button 126 protruding outward from the housing, which is accessible to a user's fingers when holding the housing 10 . Thus, by simply pressing the button 126 against the spring, the slider 120 moves inwards, thereby uncoupling the anchor from the slider 120 and the head 30 or 300 can be detached from the housing 10 . The sliding block 120 has an inclined guide surface formed on the upper surface of the edge 125 for guiding the buckling fit between the anchor member 32 and the edge 125 .

As shown in Figures 2, 3, 5 and 6, the above-mentioned hair loss head 30 includes a base frame 31 integrally formed with the anchor 32 for detachable connection with the housing 10, and can support a hair removal head with a plurality of hair removal elements 61 and 71. The end frame 37 of the barrel 40 is rotated. As will be described in detail later, the above-mentioned depilatory elements 61 and 71 are each spaced apart along the central axis of the barrel and cause transitions of movement toward and away from each other along this axis to clamp and loosen hair between adjacent elements, Hairs pinched between the hair removal elements are thereby plucked while the cylinder 40 is rotating.

Except above-mentioned base frame 31 and end frame 37, above-mentioned hair-removing head 30 comprises base cover 33, gear frame 34, platform 35 and stop ring 36, all these parts are assembled into the single unit that is detachably connected with housing 10. End cap 38 is detachably mounted on retaining ring 36 and combined with base cap 33 to hide the driving mechanism of hair removal head 30. End cap 38 has an opening 39 through which rotating cylinder 40 is exposed to interact with the user's skin. touch. The above-mentioned gear carrier 34 has a center bearing 131 rotatably supporting a shaft 132 fixed at the lower end to the coupling member 130 and at the upper end to the pinion 133 . Also mounted on the aforementioned gear carrier 34 is a gear 134 which cooperates with a pinion 133 and an intermediate gear 140 supported on the end frame 37 . Above-mentioned intermediate gear 140 is a kind of combined gear, has pinion gear 141 and bull gear 142, and this pinion gear can be meshed with face gear 150 supported on platform 35, and above-mentioned bull gear can be integrally formed on cylinder body 40 The gear 144 on the end is meshed to make the cylinder 40 rotate around its horizontal axis. The above-mentioned face gear 150 has an eccentric cam 151, which is embedded in the follower chamber 137 at the bottom of the above-mentioned end frame 37, so as to convert the rotational motion of the gear 150, that is, the motor 20, into the vibration motion of the cylinder 40 along the central axis, so that the The surface of the barrel 40 plucks as much hair as possible.

The above-mentioned end frame 37 has a shaft 138 extending between a main frame 37-1 and a sub frame 37-2, which are assembled with an intermediate gear 140 interposed therebetween. The above-mentioned end frame 37 is supported on the platform 35 , and when the cylinder 40 rotates, the end frame is driven along the above-mentioned axis to vibrate relative to the platform 35 or the base frame 31 . Therefore, the driving link of the hair removal head 30 includes a first link leading from the coupling 130 to the gear 144 for rotating the cylinder 40 and simultaneously moving the above-mentioned hair removal elements 61 and 71 for hair removal, and also including a leading from the common coupling 130. A second link to the face gear 150 causes the cylinder 40 to vibrate synchronously along its central axis while rotating.

The coil spring 160 is inserted between the base frame 31 and the gear frame 34 to vertically support the cylinder 40 floatingly, so that the cylinder 40 can be depressed while hair is being removed. In addition, the coil spring 162 is inserted between the base frame 31 and the platform 35 to support the above-mentioned cylinder 40 floatingly in the horizontal direction, so that the vibration of the above-mentioned cylinder 40 can be damped, and thus the shock generated by reaching the casing 10 can be reduced. amount of vibration. Therefore, the user who holds the housing 10 can comfortably perform the hair removal operation relatively free from annoying vibrations. The end cap 38 is hooked on the above-mentioned retaining ring 36 by means of a release button 170 provided at the opposite end of the upper portion in the width direction of the retaining ring 36 . As shown in FIGS. 5 and 6 , each button 170 has a hook portion 171 matching with a groove 176 provided at the lower end of the end cover 38 , and also includes a leg 172 for fixing the button to the retaining ring 36 . When the button 170 is pressed against the bias of the coil spring 174 inserted between the button 170 and the retaining ring 36, the above-mentioned hook portion 171 is separated from the groove, thereby disengaging the end cap 38 from the hair removal head 30. It should be noted that the coil spring 174 can also be used to absorb the vibration of the retainer 36 which vibrates together with the barrel 40 , so as to prevent the vibration from being transmitted to the casing 10 via the bottom cover 33 . That is, the coil springs 160, 162, and 174 all bear the vibration of the barrel 40, making the housing 10 relatively free from vibration, thereby ensuring a comfortable hair removal operation. Although the use of coil springs is disclosed in the above exemplary embodiments, the present invention is not limited to the use of coil springs, and any other elastic member, such as rubber or other forms of springs, can also be used.

The rotating cylinder 40 has a plurality of hair clamp row units 50 surrounding the circumference of the cylinder and evenly spaced. As shown in Figures 8 and 9, each hair clip row unit 50 includes four fixed blades 61 aligned along the cylinder axis, four movable blades 71 alternating with the fixed blades 61, and three inserting blades. Skin guides 80 between adjacent stationary blades 61 . These parts are generally supported to a single metal clamping plate 90 to form a self-contained subassembly that is easily assembled about the barrel 40. The above-mentioned movable vane 71 can pivot around the shaft perpendicular to the central axis of the above-mentioned rotating cylinder 40, so that when the rotating cylinder 40 rotates around the above-mentioned axis, the gap between the adjacent vanes 61 and 71 can be opened and closed, thereby grasping Fetches and pinches hairs between the blades. The blades 61 and 71 are kept closed at a certain angular displacement around the above-mentioned axis, that is, a certain section of one revolution of the rotating cylinder 40, so that the hairs sandwiched between the blades 61 and 71 are pulled in the tangential direction of the cylinder 40. To go hair. Due to the above-mentioned hair-removing function, the above-mentioned blades 61 and 71 generally serve as the hair-removing elements described in the specification and claims.

As shown in FIG. 6, the above-mentioned two fixed blades 61 are formed from a metal plate into one piece 60, wherein the blades 61 are connected together by a pair of rods 62 apart from each other. The skin guide 80 is molded from a plastic material and has an arcuate surface 81 at its top for smooth contact with the user's skin. Taking advantage of the inherent resiliency of the molded part, the retaining pin 84 is press fit into a corresponding hole 91 of the clamping plate 90 . On the opposite side of the skin guide 80, a clamping portion 85 for pressing the rod 62 of the one-piece piece 60 against the clamping plate 90 is provided, so that when the above-mentioned skin guide 80 is fixed to the clamping plate, the fixed blade 61 is fixed to the above-mentioned clamping plate. The movable blade 71 made of metal has a foot 72 , the lower end of which is inserted into a corresponding groove 92 of the clamping plate 90 so that said foot selectively makes edge contact with one of the opposite edges of the groove 92 . On the opposite side of the foot there is provided a circular protrusion 73 which can be squeezed over the sloped face of the hook 86 on the skin guide 80 and rests loosely behind the hook 86 . The movable vane 71 is thus pivotally supported to the clamping plate 90 and constitutes the self-contained sub-assembly as described above, which can be handled as a single unit when assembling the hair clip row unit into the rotating cylinder 40 . The two integral parts 60 , that is, the four fixed blades 61 , the four movable blades 71 and the three skin guides 80 are all supported by the clamping plate 90 , thus constituting each hair clipping piece row unit 50 . After the above-mentioned hair clamp row unit 50 is placed in the corresponding groove 42 of the rotating cylinder 40, a corresponding number of pins 51 are inserted into the cylinder, as shown in Figure 7, these pins extend through the above-mentioned fixed blades 61, movable The blade 71 and the skin guide 80, thereby holding the above-mentioned hair clip row unit in place, wherein the movable blade 71 is connected with the actuator rods 101, 102 inserted into the rotating cylinder 40, so that the pivoting force can be applied For the above-mentioned movable vane 71, the gap between the above-mentioned vanes 61 and 71 is opened and closed.

As shown in Figures 2 and 7, the actuator rods 101, 102 are provided with twice the quantity of the hair clip row unit 50, that is, eight actuator rods are arranged in each longitudinal half of the cylinder body 40, so that Each lever linkage actuates two movable blades 71 adjacent within each hair clip row unit 50 . That is, each actuator rod is linked to two fixed vanes 61 that cause two movable vanes 71 to engage with each integral piece 60 to simultaneously open and close. The above-mentioned actuator rods 101, 102 are supported on the bottom of the groove 42 of the rotating cylinder 40, and both can slide axially, and when the cylinder 40 rotates, they also move inward axially by means of the action of the cam roller 180. When the cylinder 40 is further rotated, it is moved axially outward by the action of the return spring 120, so that the above-mentioned blades can be opened and closed repeatedly during one rotation of the cylinder.

At the axially outer ends of each of the aforementioned actuator rods 101, 102 are formed arcuate flanges 103, 104 extending circumferentially around the longitudinal axis of the cylinder 40, these flanges pressing against the respective cams when the cylinder 40 rotates. Roller 180 lasts for a long time. The above-mentioned cam roller 180 has an axial length such that it can be in contact with the arcuate flanges 103, 104 of the inner and outer circumferential rows, respectively, at the same time. Therefore, when the cylinder body 40 rotates, the movable blades 71 in two or three adjacent hair clip row units 50 of the cylinder body 40 can be closed simultaneously, while the movable blades 71 in the other hair clip row units are opened. . As shown in FIG. 5 , the cam rollers 180 are respectively mounted in the holes 111 of the end frame 37 and are rotatable about a single pin 182 . Each cam roller is pressed inwardly against the actuator rods 101 , 102 by means of a spring strut 183 fixed to the end frame 37 .

Return springs 120 are provided on opposite ends of the cylinder 40 for biasing the actuator rods 101 and 102 axially outwards, one spring for eight cylinders having arcuate flanges 103, 104 at one end of the cylinder. There are eight actuator rods, and another spring is used to hold eight actuator rods with arc-shaped flanges 103, 104 arranged at the other end of the barrel 40.

The above-mentioned hair clip row units 50 are arranged on the cylinder body 40 with an offset in the axial direction, so that the paired fixed blades 61 and movable blades 71 in any one hair clip row unit can be opposite to the cylinder body. The longitudinal axis of the cylinder is staggered with the blades in other hair clip row units, so that all the blade pairs are differentially positioned relative to the longitudinal axis of the cylinder to increase the efficiency of hair extraction.

The razor head 300 described above will now be described in detail with reference to FIGS. 10-13. The razor head 300 includes a base frame 331 integrally formed with an anchor 332 and detachably connected to the housing 10, an end frame 37 with an inner razor 320, and an end cap 338 with an outer shear foil 310 . The above-mentioned base frame 331 and end frame 337 are fixed together on the base cover 333, thereby constituting a single unit, which is detachably connected to the housing 10, and the end cover 338 is detachably connected to the base cover 333 by the release button 370 . The above-mentioned razor head 300 includes, in addition to the above-mentioned base frame 331 , end frame 337 and base cover 333 , a closing plate 335 and a retaining ring 336 , all of which are assembled into a single unit detachably connected with the housing 10 . The aforementioned end cover 338 and base cover 333 are combined to conceal the shaving drive mechanism of the razor head 300 . The above-mentioned base frame 331 supports a bearing 431 that rotatably supports a shaft 432 whose lower end is fixed to the razor coupling 130 for connecting the joint 22 on the side of the housing 10, and whose upper end is fixed to the razor coupling 130 with an eccentric On the eccentric cam 433 of the pin 434 of the shaft 432. The end frame 337 carries a shuttle 350 having a central stud 351 on which the inner cutter 320 is mounted. Above-mentioned reciprocator 350 is provided with elastic arm 352 at the end of its opposite width, and reciprocator is installed on the end frame 337 by means of this elastic arm, so that the middle rigid part 354 that contains this stud 351 can move along the razor head 300. The width axis moves. The aforementioned eccentric pin 434 fits into the central rigid portion 354 to convert the rotational motion of the coupling 430 ie the motor 20 into the reciprocating motion of the inner shaver 320 which shaves the hairs by the aforementioned outer shearing foil 310 . Therefore, the driving means of the razor head 300 is constituted by the coupling 130 , the eccentric cam 433 , the pin 434 and the reciprocator 350 . Thus, the driving device of the above-mentioned razor head can directly convert the rotary motion of the motor into the reciprocating motion of the razor, i.e. without interference of any reduction gear, thereby enabling the above-mentioned razor to reciprocate at a higher frequency than that of the hair loss head. The rotation speed of the cylinder around the central axis.

The above closing plate 335 is matched to close the upper opening of the end frame 337, and the reciprocator 350 is partially protruded from the closing plate. The retaining ring 336 is placed on the closing plate 335 for shielding the connection between the elastic arm 352 and the end frame 337 and supporting the sealing ring fitted around the stud 351 . The release button 370 is supported by the retaining ring 336 and is biased outward by a spring 374 . When the button 370 is pressed inwardly, it disengages from the end cap 338 to remove the end cap from the razor head.

The above-mentioned razor head 300 additionally includes a trimming unit 380 for cutting relatively long hairs. This trimming unit 380 comprises a movable shaver 381 which is drivingly connected to the stud 351 by means of an accessory 356 mounted on the stud 351 .

The razor head 300 of the above-mentioned structure is only an example, thus the present invention is not limited to the specific structure of this razor head, and the razor head of other structures can also be applied, as long as it has at least one cutting element, the cutting element consists of It is actuated by the rotational motion received at the coupling 130 detachably connected to the non-circular joint 30 on the side of the housing 10 .

Furthermore, it should be noted that the aforementioned connector 22 and associated coupling members 130 and 430 are not limited to the square cross-section shown, but may also be other similar cross-sections, such as triangular, hexagonal or elliptical.

Claims (8)

1. Hair removing device: comprising:

Be combined with the shell (10) of electric rotating machine (20) in it; And

Have the alopecia head (30) in order to the alopecia element (61,71) of removing user's hair, above-mentioned alopecia head is removably mounted on the above-mentioned shell, and comprises the driving mechanism (130,133,134,140) by above-mentioned electromechanical actuation, to drive above-mentioned alopecia element;

Above-mentioned motor comprises the output revolving shaft (21) that fixedly carries non-round splce (22);

Above-mentioned driving mechanism comprises and is detachably connected to the male part (130) that above-mentioned joint rotatablely moves to accept above-mentioned motor;

Above-mentioned male part and the coaxial setting of above-mentioned joint, and can move together with above-mentioned alopecia head (30), with above-mentioned joint engagement and disengaging,

Above-mentioned male part (130) can keep with when the driving of above-mentioned joint is connected along the axis slip of above-mentioned joint,

Wherein

Above-mentioned alopecia head comprises the cylindrical shell that has the axis and have above-mentioned alopecia element,

Above-mentioned driving mechanism comprises first link that leads from above-mentioned male part, is used for rotating above-mentioned cylindrical shell and pulls out hair around above-mentioned axis,

Described device further comprises:

Be removably mounted on the above-mentioned shell, cut off the optional razor head (300) of hair to replace above-mentioned alopecia head,

Above-mentioned razor head is loaded razor (320) and is comprised razor driving mechanism (430 by above-mentioned electromechanical actuation, 433,434,350), above-mentioned to move in order to cut off the razor of hair, above-mentioned razor driving mechanism comprises and removably being connected with above-mentioned joint (22) and the razor male part (430) in order to admit above-mentioned motor to rotatablely move

Above-mentioned razor driving mechanism can directly convert rotatablely moving of motor to the reciprocating motion of above-mentioned razor, and is not subjected to the interference of any reduction gearing.

2. device as claimed in claim 1 is characterized in that, above-mentioned male part forms the jack that matches with above-mentioned joint with form of sleeve, and above-mentioned male part is recessed from above-mentioned alopecia head bottom.

3. device as claimed in claim 1 is characterized in that,

Above-mentioned first link is set,, it is carried out toward each other and leaves motion in order to move above-mentioned alopecia element along above-mentioned axis, so that clamp the interelement hair of adjacent alopecia, and rotate above-mentioned cylindrical shell around above-mentioned axis simultaneously, to extract the hair that adjacent alopecia interelement is clamped

Above-mentioned driving mechanism also comprises second link that leads from above-mentioned male part, above-mentioned cylindrical shell rotated around above-mentioned axis, thereby cylindrical shell vibrated along above-mentioned axis,

Above-mentioned cylindrical shell its axis can be provided with basically with the axis coplane of above-mentioned joint.

4. device as claimed in claim 3 is characterized in that, the male part of above-mentioned alopecia head and coaxial pinion monolithic molding, and the common gears of this pinion and above-mentioned first and second links of a formation part match.

5. device as claimed in claim 3 is characterized in that, except above-mentioned cylindrical shell, above-mentioned alopecia head also comprises the Ji Gai that removably connects with above-mentioned shell, and the pedestal that a plurality of gears that form first and second links are installed,

Above-mentioned pedestal supports to base by spring assembly and covers, and the bias voltage that can resist spring assembly moves relative to Ji Gai.

6. device as claimed in claim 5 is characterized in that, above-mentioned pedestal is on the axis direction of the axis direction of above-mentioned joint and above-mentioned cylindrical shell, and the bias voltage that can resist above-mentioned spring assembly moves relative to Ji Gai.

7. device as claimed in claim 1 is characterized in that,

The eccentric cam monolithic molding that the male part of above-mentioned razor head can match with the reciprocal device that carries above-mentioned razor is used for rotatablely moving of motor converted to the reciprocating motion of above-mentioned razor.

8. device as claimed in claim 1 is characterized in that,

Above-mentioned first link is set,, it is carried out toward each other and leaves motion in order to move above-mentioned alopecia element along above-mentioned axis, so that clamp the interelement hair of adjacent alopecia, and rotate above-mentioned cylindrical shell around above-mentioned axis simultaneously, to extract the hair that adjacent alopecia interelement is clamped

Above-mentioned razor driving mechanism can directly convert rotatablely moving of motor to the reciprocating motion of above-mentioned razor, thereby above-mentioned razor can be moved back and forth with upper frequency, and this frequency is higher than the rotation rotating speed of above-mentioned cylindrical shell.

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